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Christian Kellner
Christian Kellner

2 Followers

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Jun 11, 2021

DIY Smart gardening

This is the next blog post in a series where I’m explaining how and what I did to.. well do less.. at least when it comes to watering the plants :) This time, I finally make use of the weather station I build a couple of months ago. But I…

Esp8266

4 min read

DIY Smart gardening
DIY Smart gardening
Esp8266

4 min read


Mar 10, 2021

Follow up: Temperature/Rain Sensor

This is a follow up on this article: => Click. A couple of weeks after I build the temperature and rain sensor, I’m now coming back to this with quite some improvements, which I’d like to share with you. Problem I: Short lifetime of rain sensor The rain sensor only worked for like 1 1/2 months. Due…

Homebridge

3 min read

Follow up: Temperature/Rain Sensor
Follow up: Temperature/Rain Sensor
Homebridge

3 min read


Jan 17, 2021

Building a night light using an ESP8266 and an Ardafruit NeoPixel Ring

In the not too distant future, my daughter will be born. Of course, in the first months, she will sleep next to our bed. As my wife needs to feed the baby in the night, we were searching for a night light. It should be super simple. Just a button…

Esp8266

2 min read

Building a night light using an ESP8266 and an Ardafruit NeoPixel Ring
Building a night light using an ESP8266 and an Ardafruit NeoPixel Ring
Esp8266

2 min read


Dec 22, 2020

Building a Homekit enabled weather station using Homebridge and an ESP8266

Beware, there’s a follow up on this article. — — — — My wife likes to grow her own vegetables on our balcony. The problem with this however is, that one also needs to water the plants (first world problems right?) As the tech guy I am, I was going…

Esp8266

9 min read

Building a Homekit enabled weather station using Homebridge and an ESP8266
Building a Homekit enabled weather station using Homebridge and an ESP8266
Esp8266

9 min read

Christian Kellner

Christian Kellner

2 Followers

Working @Instana, Loving tech {...life}

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